Goodwill and Intangible Assets (Intangible Assets) (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 102,805	$ 101,158
Accumulated Amortization	39,311	30,442
Total intangible Assets, Gross Carrying Amount	107,231	105,461
Net Carrying Amount	63,494	70,716
Indefinite lived intangible assets	4,426	4,303
Total intangible assets, Net Carrying Amount	67,920	75,019
Trademarks and patents
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,589	2,543
Accumulated Amortization	1,019	718
Net Carrying Amount	1,570	1,825
Technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	48,589	47,724
Accumulated Amortization	24,034	19,681
Net Carrying Amount	24,555	28,043
Covenant-not-to-compete
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,007	943
Accumulated Amortization	1,007	943
Net Carrying Amount	0	0
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	50,620	49,948
Accumulated Amortization	13,251	9,100
Net Carrying Amount	$ 37,369	$ 40,848